Period or frequency of a mass with springs in series or parallel

1. A.
   $T_a = 2T_b$
2. B.
   $T_a = \frac{T_c}{2}$
3. C.
   $T_b = 2T_a$
4. D.
   $T_b = 2T_c$

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1. A.
   $\frac{1}{2\pi}\sqrt{\frac{K}{4M}}$
2. B.
   $\frac{1}{2\pi}\sqrt{\frac{4K}{M}}$
3. C.
   $\frac{1}{2\pi}\sqrt{\frac{K}{7M}}$
4. D.
   $\frac{1}{2\pi}\sqrt{\frac{7K}{M}}$

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1. A.
   f
2. B.
   2f
3. C.
   $\frac{f}{\sqrt{2}}$
4. D.
   $\ \sqrt{2} \cdot f$

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1. A.
   $T_a = \sqrt{2}T_b$
2. B.
   $T_b = 2T_a$
3. C.
   $T_a = \dfrac{T_c}{\sqrt{2}}$
4. D.
   $T_b = 2T_c$

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1. A.
   $\dfrac{1}{2\pi}\sqrt{\dfrac{m}{k}}$
2. B.
   $\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}$
3. C.
   $\dfrac{1}{2\pi}\sqrt{\dfrac{2k}{m}}$
4. D.
   $\dfrac{1}{2\pi}\sqrt{\dfrac{3k}{m}}$

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1. A.
   $2 : 1$
2. B.
   $1 : \sqrt{2}$
3. C.
   $\sqrt{2} : 1$
4. D.
   $1 : 2$

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1. A.
   $F$
2. B.
   $2F$
3. C.
   $\sqrt{2}F$
4. D.
   $F/\sqrt{2}$

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